CaratHunter
Plans
Cushion|Lab Grown|IGI

3.00ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG689501550

Shape and cutting style on the report: Modified rectangular cushion step cut

Certificate IGI LG689501550

Diamond specifications and retailer prices

From £439 GBP
$588 USD
As of October 31, 2026
Save £1,695 GBP (79%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £2,134 GBP at With Clarity · As of October 31, 2026
View at With Clarity

About this 3ct lab-grown cushion diamond

This 3ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG689501550 or 689501550. Listed at 20 retailers as of October 31, 2026, with prices from £439 to £2,134, a £1,695 spread on the same certified stone. With Clarity lists it at £2,134. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.00
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG689501550
Dimensions9.33 × 6.86 × 4.32 mm
L/W Ratio1.36
Culet sizeLong
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.33 mm6.86 mm3.00 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG689501550
Side View
Table 66.0%Crown 35°Girdle: Slightly ThickPavilionCulet: LNGDepth 63.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £755 GBP|Low: £439 GBP|High: £4,717 GBP|Avg: £1,361 GBP|+0.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
With Clarity
November 1, 2026
Retailer 8£439 GBP
Retailer 17£535 GBP
Retailer 2£563 GBP
Retailer 19£653 GBP
Retailer 7£695 GBP
Retailer 12£741 GBP
Retailer 1£755 GBP
Retailer 14£1,028 GBP
Retailer 6£1,035 GBP
Retailer 15£1,058 GBP
Retailer 13£1,071 GBP
Retailer 4£1,084 GBP
Retailer 18£1,422 GBP
Retailer 10£1,541 GBP
Retailer 3£1,583 GBP
Retailer 9£1,668 GBP
Retailer 11£1,806 GBP
Retailer 16£2,035 GBP
With Clarity£2,134 GBP
Retailer 5£4,717 GBP

26 data points across 20 retailers

20 retailers£439 GBP to £2,134 GBP

A
Cheapest Retailer
-
£439 GBP
$588 USD
Final sale: no returns
A
Retailer 2
-
£535 GBP
HK$5,600 HKD
View
A
Retailer 3
-
£563 GBP
$755 USD
View
B+
Retailer 4
-
£653 GBP
$875 USD
View
A
Retailer 5
-
£695 GBP
$931 USD
View
A
Retailer 6
-
£741 GBP
€946 EUR
View
A
Retailer 7
-
£755 GBP
View
A
Retailer 8
-
£1,028 GBP
A$2,120 AUD
View
A
Retailer 9
-
£1,035 GBP
$1,387 USD
View
A
Retailer 10
-
£1,058 GBP
ZAR 22,891 ZAR
View
A
Retailer 11
-
£1,071 GBP
$1,435 USD
View
B+
Retailer 12
-
£1,084 GBP
$1,452 USD
View
B+
Retailer 13
-
£1,422 GBP
View
B
Retailer 14
-
£1,541 GBP
SGD 2,790 SGD
View
B+
Retailer 15
-
£1,583 GBP
$2,120 USD
View
B+
Retailer 16
-
£1,668 GBP
$2,234 USD
View
B+
Retailer 17
-
£1,705 GBP
$2,284 USD
View
B
Retailer 18
-
£1,806 GBP
$2,420 USD
View
B
Retailer 19
-
£2,035 GBP
View
Most Expensive
B
With Clarity
689501550 · Oct 31
£2,134 GBP
$2,859 USD
View
19 more retailers have this diamond
Prices start from £439 GBPSave up to £1,695 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
3.00ct Cushion
£439 GBP